Front lower arm is always a good un, subframe bushes too.
It would be easy to just say "all of them"...but rubber bushes when they are old and turn to crap ruin cars, stick your head under your car and see which ones are raped then start from there.
I would HIGHLY recommend this chap.
If your going to take the subframe off to do the main bushes, you might as well go the whole hog and do the lot. It will totaly change the way your car handles. It's makes a massive massive difference.